Lets explore the secret features of the classic sonic games running
on the retro engine.

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Debug Codes Master list:

Sonic 1 Level code
↑,↓,←,→

Sonic 2 Level code
↑,↑,↑,↓,↓,↓,←,→,←,→

Sonic 3&K level code
↑,↑,↓,↓,↑,↑,↑,↑


Sonic 1 debug code
01,09,09,01,00,06,02,03
(adds old shields in S3K)

Sonic 2 debug code
01,09,09,02,01,01,02,04
(14 continues in M and infinite in S3K)

Proto palace zone (S2 Mobile only)
03,03,03,0B,10,10,10,04

Super Sonic Unlocked (S1 S2 M S3K)
04,01,02,06

disable Super sonic theme (M S3K)
06,02,01,04

Egg Revierie Flight (M S3K)
02,00,01,07,00,08,01,05

Encore mode in level select (M)
02,00,01,08,00,06,02,03

use dropdash insta shield and peelout at once (M)
09,00,00,01

All animals are Ricky (M S3K)
01,09,07,09,00,08,01,01

unlock all medals (M)
01,09,08,09,00,05,00,01

Sonic 3 debug code
01, 09, 09, 04, 01, 00, 01, 08

Enable CD's peelout (S3&K)
01,09,09,03,00,09,02,03

remove "& Knuckles" (S3K)
01,09,09,04,00,02,00,02

there are no badniks only Penguinator (S3K)
01,09,09,09,00,03,00,06

Item boxes only have banana peels (S3K)
02,00,00,01,01,00,01,03

Item boxes are random (S3K)
04,07,09,08,01

Compeition mode plays like main game (S3K)
03,02,01,06,00

Prevent camera from lagging (S3K)
02,02,06,03,07,02

All items rings and speical stages are gone (S3K)
00,00,00,00,00,00,00,00

Music Used:
LavaReef act 1 - Sonic Mania
Ending Medley - Sonic the hedgehog
Marble zone - Sonic the hedgehog
Tidal Tempest P mix - Sonic CD
Sonic The Hedgehog Medley (Sonic Symphony 30th Anniversary)
Emerald Hill Zone (2P) - Sonic the Hedgehog 2
Believe In Myself _ It Doesn't Matter (Sonic Symphony 30th Anniversary)
Dr. Robotnik Theme (AOSTH)
Mystic Cave Zone (2P) - Sonic the Hedgehog 2
Hidden Palace Zone (Unused) - Sonic the Hedgehog 2
Boss - Sonic the Hedgehog 2
MainMenu - Sonic Mania
LavaReef act 2 - Sonic Mania
EggReverie - Sonic Mania
UFOSpecial - Sonic Mania
Title Screen - Sonic & Knuckles
Angel Island Zone (Act 2) - Sonic the Hedgehog 3
104-mahito_yokota-catastrophe - Super Mario Galaxy
Launch Base Zone (Act 1) - Sonic the Hedgehog 3
Bonus Stage Gumball - Sonic the Hedgehog 3
AngelIsland2 - Sonic Mania
Sonic CD Main Menu Theme (Japan)
Sonic CD Main Menu Theme (U.S)

Sonic The Hedgehog is copyright Sega